Technical Articles

IEC 62836: Security for Industrial Automation and Control Systems

Title: Strengthening Industrial Automation Security: A Deep Dive into IEC 62836 Standards




Industrial automation and control systems form the backbone of modern manufacturing, energy, and infrastructure sectors, driving efficiency, productivity, and operational excellence. With the increasing digitization and connectivity of these systems, cybersecurity threats have emerged as a significant concern, necessitating robust security measures to protect critical infrastructure. The International Electrotechnical Commission (IEC) standard 62836 addresses security for industrial automation and control systems, offering comprehensive guidelines and best practices to safeguard against cyber threats. In this article, we explore the key aspects of IEC 62836, highlighting its importance in enhancing cybersecurity in industrial environments.


Understanding IEC 62836


IEC 62836 focuses on security considerations and requirements for industrial automation and control systems, encompassing a wide range of technologies, protocols, and interconnected devices used in industrial settings. The standard aims to address cybersecurity risks, vulnerabilities, and challenges inherent in industrial automation environments, providing strategies and recommendations for implementing effective security controls, risk assessments, incident response mechanisms, and secure communication protocols. IEC 62836 serves as a cornerstone for enhancing cybersecurity resilience and protecting critical infrastructure from cyber threats in industrial automation systems.


Key Provisions of IEC 62836


1. Risk Assessment and Management: IEC 62836 emphasizes the importance of conducting comprehensive risk assessments to identify and prioritize cybersecurity threats and vulnerabilities in industrial automation systems. The standard provides guidelines for threat modeling, asset inventory, security control selection, and risk mitigation strategies to proactively manage cybersecurity risks and strengthen the resilience of industrial control systems.


2. Security Controls and Guidelines: The standard outlines security controls, practices, and guidelines tailored for industrial automation environments, including access control mechanisms, network segmentation, encryption protocols, authentication methods, and intrusion detection systems. IEC 62836 provides a framework for implementing defense-in-depth strategies, security policies, and configuration recommendations to protect against unauthorized access, data breaches, and cyber attacks.


3. Incident Response and Recovery: IEC 62836 addresses incident response planning, incident handling procedures, and recovery strategies for industrial automation systems in the event of cybersecurity incidents. The standard emphasizes the importance of timely detection, containment, investigation, and recovery from security breaches, enabling organizations to mitigate the impact of cyber incidents and restore system functionality with minimal disruption.


Significance of IEC 62836 in Industrial Cybersecurity


IEC 62836 plays a critical role in advancing cybersecurity practices, risk management, and resilience in industrial automation and control systems, offering several key benefits for stakeholders in the industrial sector:


1. Cyber Threat Mitigation: Compliance with IEC 62836 helps organizations identify, assess, and mitigate cybersecurity risks in industrial automation systems, reducing the likelihood of cyber attacks, data breaches, and operational disruptions that could impact critical infrastructure.


2. Compliance and Best Practices: The standard supports regulatory compliance, industry standards, and best practices for industrial cybersecurity, enabling organizations to align with international guidelines, demonstrate due diligence in cybersecurity governance, and uphold security requirements across industrial automation environments.


3. Operational Resilience: By following the guidelines of IEC 62836, industrial operators can enhance the resilience, reliability, and continuity of their automation systems, safeguarding production processes, intellectual property, and critical assets from cyber threats while maintaining operational efficiency and business continuity.




IEC 62836 serves as a foundational framework for strengthening cybersecurity defenses, risk management, and incident response capabilities in industrial automation and control systems. By integrating the principles and recommendations outlined in the standard, organizations can enhance their cybersecurity posture, protect against evolving cyber threats, and ensure the security and integrity of industrial infrastructure in an increasingly connected and digitized industrial landscape. IEC 62836 plays a pivotal role in promoting cybersecurity awareness, preparedness, and resilience in industrial automation, contributing to a secure and reliable operational environment that safeguards critical assets, processes, and systems from cyber risks and vulnerabilities.



Contact: Eason Wang

Phone: +86-13751010017


Add: 1F Junfeng Building, Gongle, Xixiang, Baoan District, Shenzhen, Guangdong, China

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